“Time-lapse videos look best when they are buttery smooth, and dynamically selecting intervals in this fashion would create a jittery and jerky video. So what does Apple mean by "dynamically selected intervals"?
Turns out, what Apple is doing in quite simple, and indeed, pretty clever.”
Apple's method is indeed clever, even elegant.
(By the way, can I just geek out for a moment about how gorgeous the Studio Neat website is nowadays? My goodness.)